The Zinsser SmartCoat 150 is a 150-mile (240 km) annual ARCA Menards Series race held at Mid-Ohio Sports Car Course in Lexington, Ohio.

The 252-mile (406 km), 150-lap race was run on May 18 on the original 15-turn circuit and was won by Jack Bowsher.

[3] They were added back on the schedule for 2021, but now on the first weekend in June due to Memorial Day (and therefore, the races at Charlotte) being late in 2021.

[4] The dishwashing soap company Dawn was announced as the title sponsor of the ARCA race at Mid-Ohio on May 14, 2021.

In 2023, Dawn moved their title sponsorship to the spring ARCA race at Kansas[6] while the paint and primer brand Zinsser SmartCoat became the title sponsor of the race at Mid-Ohio.